1452553403 has 6 divisors (see below), whose sum is σ = 1689705036. Its totient is φ = 1245045732.

The previous prime is 1452553387. The next prime is 1452553441. The reversal of 1452553403 is 3043552541.

It is a happy number.

It is not a de Polignac number, because 1452553403 - 2⁴ = 1452553387 is a prime.

It is a super-2 number, since 2×1452553403² = 4219822777133760818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1452553403.

It is not an unprimeable number, because it can be changed into a prime (1452553493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14821925 + ... + 14822022.

It is an arithmetic number, because the mean of its divisors is an integer number (281617506).

Almost surely, 2^1452553403 is an apocalyptic number.

1452553403 is a deficient number, since it is larger than the sum of its proper divisors (237151633).

1452553403 is an equidigital number, since it uses as much as digits as its factorization.

1452553403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29643961 (or 29643954 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1452553403 is about 38112.3786059070. The cubic root of 1452553403 is about 1132.5151907804.

The spelling of 1452553403 in words is "one billion, four hundred fifty-two million, five hundred fifty-three thousand, four hundred three".